Toyoaki Eguchi

Title: Toyoaki Eguchi: Innovator in Steel Technology

Introduction

Toyoaki Eguchi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of steel technology, holding a total of 4 patents. His innovative work focuses on improving the properties and processing methods of steel, particularly in gear manufacturing and wire rod cooling techniques.

Latest Patents

One of Eguchi's latest patents is for a steel gear, which is designed for forming a gear through carburizing and quenching. This steel composition consists of 0.1 to 0.35 wt. % C, 0.5 to 2.5 wt. % Si, 0.2 to 2.5 wt. % Mn, 0.01 to 2.5 wt. % Cr, 0.01 to 0.7 wt. % Mo, with the balance being Fe and inevitable impurities. The steel has specific parameters, including an Ac.sub.3 point parameter ranging from 850°C to 960°C and an ideal critical diameter between 30 to 250 mm.

Another notable patent involves a method for the rapid direct cooling of a hot-rolled wire rod. This method includes transporting a hot-rolled and coiled wire rod on a conveyor while blasting an air-water mist to cool the rod at a rate of 10°C to 100°C per second. The air-water mist provides 0.5 to 10 m³/minute of water, maintaining an air to water ratio of 200 Nm³/m³ or less.

Career Highlights

Toyoaki Eguchi is associated with Toa Steel Co., Ltd., where he applies his expertise in steel technology. His work has been instrumental in advancing the methods used in steel processing, contributing to the efficiency and quality of steel products.

Collaborations

Eguchi has collaborated with notable coworkers, including Noriyoshi Ohwada and Katsumi Ito. Their combined efforts have fostered innovation and development within the steel industry.

Conclusion

Toyoaki Eguchi's contributions to steel technology through his patents and career at Toa Steel Co., Ltd. highlight his role as a key innovator in the field. His work continues to influence advancements in steel processing and manufacturing techniques.